v3.26.1
SEGMENT INFORMATION -Schedule of Segment Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 26, 2026
Jun. 27, 2025
Jun. 26, 2026
Jun. 27, 2025
Segment Reporting [Line Items]        
Net sales $ 794,800 $ 735,045 $ 2,181,724 $ 2,098,367
Electrical        
Segment Reporting [Line Items]        
Net sales 578,300 521,306 1,580,298 1,479,331
Safety & Infrastructure        
Segment Reporting [Line Items]        
Net sales 216,500 213,739 601,426 619,036
Operating Segments        
Segment Reporting [Line Items]        
Adjusted EBITDA 117,468 111,966 294,410 346,938
Operating Segments | Electrical        
Segment Reporting [Line Items]        
Net sales 578,310 521,308 1,580,321 1,479,340
Adjusted EBITDA 89,330 81,235 218,782 264,564
Operating Segments | Safety & Infrastructure        
Segment Reporting [Line Items]        
Adjusted EBITDA 28,138 30,731 75,628 82,374
Intersegment Sales        
Segment Reporting [Line Items]        
Net sales (338) (226) (776) (933)
Intersegment Sales | Electrical        
Segment Reporting [Line Items]        
Net sales 10 2 23 9
Intersegment Sales | Safety & Infrastructure        
Segment Reporting [Line Items]        
Net sales $ 328 $ 224 $ 753 $ 924